Home / 78,080,616.69-107,751,261.24-43,275,554.16

Finding the Fourth Proportional to 78,080,616.69, 107,751,261.24 and 43,275,554.16

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Solution

The fourth proportional to 78,080,616.69, 107,751,261.24 and 43,275,554.16 is: 59,720,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,080,616.69 : 107,751,261.24 = 43,275,554.16 : x
  2. Step 2: Convert to fraction form
    78,080,616.69/107,751,261.24 = 43,275,554.16/x
  3. Step 3: Cross multiply
    78,080,616.69x = 107,751,261.24 × 43,275,554.16
  4. Step 4: Simplify right side
    78,080,616.69x = 4,662,995,541,599,928
  5. Step 5: Solve for x
    x = 4,662,995,541,599,928/78,080,616.69
  6. Step 6: Final answer
    x = 59,720,270.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.